/**
 * Copyright (c) 2009, Robert Schuster
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the
 * following conditions are met:
 *
 * - Redistributions of source code must retain the above
 *   copyright notice, this list of conditions and the
 *   following disclaimer.
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the
 *   following disclaimer in the documentation and/or other
 *   materials provided with the distribution.
 * - Neither the name of Robert Schuster nor the names of his
 *   contributors may be used to endorse or promote products
 *   derived from this software without specific prior written
 *   permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* 
 * File:   Device.cpp
 * Author: robert
 * 
 * Created on 31. August 2009, 16:00
 */

#include <vector>

#include "Device.hpp"

namespace CLcalc {

Device::Device(cl_device_id id) throw (Error) {
    ID = id;
}

Device::~Device() {
}

cl_device_id Device::getID() {
    return ID;
}

string Device::getDeviceName() throw (Error) {
    char buffer[1024];
    int err = clGetDeviceInfo(ID, CL_DEVICE_NAME, sizeof(buffer), &buffer, NULL);
    if (err != CL_SUCCESS) {
        throw Error(err);
    }
    return string(buffer);
}

int * Device::getDeviceSpeed() throw (Error) {
    int * result = new int[3];
    size_t MHz;
    int err = clGetDeviceInfo(ID, CL_DEVICE_MAX_CLOCK_FREQUENCY, sizeof(MHz), &MHz, NULL);
    if (err != CL_SUCCESS) {
        throw Error(err);
    }
    result[0] = MHz;
    size_t cores;
    err = clGetDeviceInfo(ID, CL_DEVICE_MAX_COMPUTE_UNITS, sizeof(cores), &cores, NULL);
    if (err != CL_SUCCESS) {
        throw Error(err);
    }
    result[1] = cores;
    result[2] = result[1]*result[0];
    return result;
}

int Device::getCores() throw (Error) {
    size_t cores;
    int err = clGetDeviceInfo(ID, CL_DEVICE_MAX_COMPUTE_UNITS, sizeof(cores), &cores, NULL);
    if (err != CL_SUCCESS) {
        throw Error(err);
    }
    int result = cores;
    return result;
}

} //end of namespace